Home / 188,279.70-259,825.97-102,238.26

Finding the Fourth Proportional to 188,279.70, 259,825.97 and 102,238.26

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Solution

The fourth proportional to 188,279.70, 259,825.97 and 102,238.26 is: 141,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,279.70 : 259,825.97 = 102,238.26 : x
  2. Step 2: Convert to fraction form
    188,279.70/259,825.97 = 102,238.26/x
  3. Step 3: Cross multiply
    188,279.70x = 259,825.97 × 102,238.26
  4. Step 4: Simplify right side
    188,279.70x = 26,564,154,564.42
  5. Step 5: Solve for x
    x = 26,564,154,564.42/188,279.70
  6. Step 6: Final answer
    x = 141,088.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.